Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester

Base Information

• Chemical Name: Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester
• CAS No.: 220903-23-1
• Molecular Formula: C₅₇H₆₀O₁₃
• Molecular Weight: 953.096
• Mol file: 220903-23-1.mol

Synonyms:Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester

Chemical Property of Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester

There total 2 articles about Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 85.0%

methyl 2,3,4-tri-O-benzyl-α-D-mannopyranoside (34212-64-1,641635-63-4) + 1,6-di-O-acetyl-2-O-benzoyl-3,4-di-O-benzyl-α-D-mannopyranose (220903-20-8) → Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester (220903-23-1)

Guidance literature:

With boron trifluoride diethyl etherate; In dichloromethane; Ambient temperature;

DOI:10.1016/S0040-4039(98)02625-2

Reference yield:

methyl 2-O-benzoyl-3,4,6-tetra-O-benzyl-α-D-mannopyranoside (40246-29-5,73445-32-6,131161-93-8,68536-57-2) → Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester (220903-23-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / H₂SO₄ / acetic acid / 16 h / Ambient temperature; HOAc:H₂SO₄=6:0.05

2: 85 percent / BF₃*OEt₂ / CH₂Cl₂ / Ambient temperature

With sulfuric acid; boron trifluoride diethyl etherate; In dichloromethane; acetic acid;

DOI:10.1016/S0040-4039(98)02625-2

Reference yield: 95.0%

Benzoic acid (2S,3S,4S,5R,6R)-6-acetoxymethyl-4,5-bis-benzyloxy-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester (220903-23-1) → Benzoic acid (2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-hydroxymethyl-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester (220903-24-2)

Guidance literature:

With hydrogenchloride; In methanol; for 18h; Ambient temperature;

DOI:10.1016/S0040-4039(98)02625-2

upstream raw materials:

methyl 2,3,4-tri-O-benzyl-α-D-mannopyranoside

1,6-di-O-acetyl-2-O-benzoyl-3,4-di-O-benzyl-α-D-mannopyranose

methyl 2-O-benzoyl-3,4,6-tetra-O-benzyl-α-D-mannopyranoside

Downstream raw materials:

Benzoic acid (2S,3S,4S,5R,6R)-4,5-bis-benzyloxy-6-hydroxymethyl-2-((2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-tetrahydro-pyran-3-yl ester